/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.jena.util.iterator.test;

import java.util.Iterator;
import java.util.function.Predicate;

import junit.framework.TestSuite;
import org.apache.jena.atlas.iterator.Iter;
import org.apache.jena.rdf.model.test.ModelTestBase;
import org.apache.jena.util.iterator.FilterIterator;

public class TestFilters extends ModelTestBase {
    public TestFilters(String name) {
        super(name);
    }

    public static TestSuite suite() {
        return new TestSuite(TestFilters.class);
    }

    protected Predicate<String> containsA = o -> contains(o, 'a');

    public void testFilterIterator() {
        Iterator<String> i = iteratorOfStrings("there's an a in some animals");
        Iterator<String> it = new FilterIterator<>(containsA, i);
        assertEquals(listOfStrings("an a animals"), Iter.toList(it));
    }

    protected boolean contains(Object o, char ch) {
        return o.toString().indexOf(ch) > -1;
    }
}
